2 Written Questions

1. An indication of how high or low a sound is, which is primarily determined by the frequency of the sound wave
2. Any speed that is faster than the speed of sound in the substance of interest

2 Multiple Choice Questions

1. The sound produced as a result of an object traveling at or above Mach 1
   1. Pitch
   2. Supersonic speed
   3. Sonic boom
   4. Transverse wave
2. A wave with a direction of propagation that is parallel to its direction of oscillation
   1. Longitudinal wave
   2. Sonic boom
   3. Pitch
   4. Transverse wave

1 True/False Question

1. Transverse wave → A wave with a direction of propagation that is perpendicular to its direction of oscillation

   True        False